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TXT-tool 0.081-1.1: Landslide Dynamics for Risk Assessment

  • Kyoji Sassa
  • Khang Dang
Chapter

Abstract

The study of landslide dynamics is a fundamental tool to aid in proactive responses to reduce landslide disaster risk, which has become intensified by the increasing development of mountain slopes due to economic and population growth in many developing countries Landslide risk is also increasing due to extreme rainfalls caused by changing climate in many landslide-prone areas in the world. Natural landslide phenomena would have initially attracted attention through the observation of ground deformation/movement which changed the natural scenery in the mountains and sometimes affected people’s living areas before the era of industrialization. Geological and geomorphic studies started at this stage. Civil engineering works to construct roads, bridges, dams and river banks, and engineering works to mine hard rocks, limestones, coals, valuable metal and minerals developed during the industrialization of human society. They caused artificial geomorphic changes and often triggered landslides. To avoid triggering landslides due to human activities and to stabilize landslide slopes, industry-centered landslide studies were developed. The main tool was slope stability analysis based on soil and rock mechanics. In the post-industrialization period, people-centered disaster risk reduction studies integrating natural sciences, social sciences and engineering to save people’s lives have developed. The initial global scale initiative was the International Decade for Natural Disaster Reduction (IDNDR) from 1st January 1990 to the end of 1999. Peoples are rarely killed by either slow-speed or short-distance landslides. The landslides affecting people’s lives are rapid and long-runout landslides, which they cannot escape from. Landslide studies to assess the velocity and travel distance of landslides must be developed. This is topic is landslide dynamics. This paper describes the core concepts and the important aspects of landslide dynamics as the fundamentals of ISDR-ICL Landslide Teaching Tools, which aim to support landslide risk reduction efforts through reliable landslide risk assessment and the early warning and land-use changes.

Keywords

Landslide dynamics Undrained ring shear test Simulation model Hazard assessment 

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.International Consortium on LandslidesUjiJapan
  2. 2.VNU University of ScienceHanoiVietnam

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